Valmiki Ramayana Ayodhya Kanda Sarga 41 Shloka 15

सर्वः all, नागरः relating to the city, जनः people, अकस्मात् suddenly, दैन्यम् helplessness, उपागमत् obtained, आहारे वा either in nourishment, विहारे वा or in recreation, कश्चित् none, मनः their mind, न अकरात् not done.

All of a sudden the people of the city became miserable. No one was interested in eating and enjoying (life).